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Carrier 38YCC036 Limit Switch
The reason limit switches exist is due to the fact that if the air never warms up inside the exchanger then the house will never get warm enough. The limit switch is a switch in the heating area that determines when the air is actually warm enough to activate the main blower.
Red flags of a faulty limit switch
- Your system begins to behave differently often
- The HVAC system will not begin the ignition sequence or run well for any length of time
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